If they got rid of Touch ID it would NEVER come back. It's the most absurd suggestion.
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They aren't concerns, they're facts
Thank you. I'm glad someone else understands this. If Touch ID is removed, it will not come back. Removing Touch ID only to reintroduce it a year or two later would make no sense and would be as if Apple were admitting failure. We couldn't manage to get it under the display this year but maybe in a year or two, so we will just remove it in the meantime. Anyone who knows how Apple works knows they are a company that will gladly wait to bring something to the market when they can be assured it will provide the best experience for the consumer. Apple is often not first to bring new concepts to the market, especially lately. They'll wait until they can do it better then release their take on it. They won't get rid of Touch ID if they don't have a replacement that is as good as or better than the current offering.
While on the topic of this concept, the headphone jack will NOT make an appearance again in a future iPhone. Please people, stop mentioning it. It won't happen. We are moving toward a wireless future with the goal likely being for phone manufacturers to want to seal their phones up air tight. I understand the AirPods will not work for everyone, but at least give them a try. They aren't perfect. They can certainly be improved upon. However, as someone who loathes EarPods, these things are a night and day difference for me. Sound quality is better, in my opinion, and I've never felt them begin to fall out even once. After about two minutes of them being in my ears, I forget I even have them in. They are one of the best Apple products I've purchased in a while. I apologize for digressing from the topic of this article.
TLDR: If Touch ID is removed, it's not coming back. The headphone jack was removed, and it will not come back. Give AirPods a try. They can be tested at an Apple Store, which I personally did, and returned if you aren't satisfied, which I didn't do. I kept mine and love them.